Description

1,3,2-Dioxaborolane, 2-[(1E)-2-(3,4-Dimethylphenyl)Ethenyl]-4,4,5,5-Tetramethyl- is a high-purity, advanced organoboron reagent featuring a vinylarene moiety, making it a versatile building block for complex molecular synthesis. This compound is critical for enabling key cross-coupling reactions, such as the Suzuki-Miyaura reaction, which are foundational to modern pharmaceutical and advanced materials research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and organic electronics industries for constructing novel chemical entities and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used to create novel herbicides, fungicides, and insecticides by introducing the dimethylphenylvinylboronate functional group.
• Material Science & OLED Development: Serves as a building block for organic light-emitting diodes (OLEDs) and other electronic materials requiring precise molecular architecture.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and functionalized materials with tailored properties.
• Chemical Research & Development: An essential reagent for academic and industrial research in synthetic methodology and new compound library generation.
• Ligand and Catalyst Preparation: Used to synthesize complex ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	1,3,2-Dioxaborolane, 2-[(1E)-2-(3,4-Dimethylphenyl)Ethenyl]-4,4,5,5-Tetramethyl-
CAS No.	1892603-12-1
Molecular Formula	C16H23BO2
Molecular Weight	258.17 g/mol
Synonyms	2-[(E)-2-(3,4-Dimethylphenyl)vinyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; (E)-2-(2-(3,4-Dimethylphenyl)vinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3,4-Dimethylstyrylboronic Acid Pinacol Ester; (3,4-Dimethylstyryl)boronic Acid Pinacol Ester; trans-2-(3,4-Dimethylstyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol (E)-2-(3,4-Dimethylstyryl)boronate
EINECS	Contact for details

Quality Control

Our 1,3,2-Dioxaborolane, 2-[(1E)-2-(3,4-Dimethylphenyl)Ethenyl]-4,4,5,5-Tetramethyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC analysis, to ensure high chemical purity and structural integrity suitable for sensitive cross-coupling reactions. Certificates of Analysis (COA) with detailed chromatographic data are provided to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) when opening to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.